//
//  assert.h
//  ARToolKit5
//
//  This file is part of ARToolKit.
//
//  ARToolKit is free software: you can redistribute it and/or modify
//  it under the terms of the GNU Lesser General Public License as published by
//  the Free Software Foundation, either version 3 of the License, or
//  (at your option) any later version.
//
//  ARToolKit is distributed in the hope that it will be useful,
//  but WITHOUT ANY WARRANTY; without even the implied warranty of
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//  GNU Lesser General Public License for more details.
//
//  You should have received a copy of the GNU Lesser General Public License
//  along with ARToolKit.  If not, see <http://www.gnu.org/licenses/>.
//
//  As a special exception, the copyright holders of this library give you
//  permission to link this library with independent modules to produce an
//  executable, regardless of the license terms of these independent modules, and to
//  copy and distribute the resulting executable under terms of your choice,
//  provided that you also meet, for each linked independent module, the terms and
//  conditions of the license of that module. An independent module is a module
//  which is neither derived from nor based on this library. If you modify this
//  library, you may extend this exception to your version of the library, but you
//  are not obligated to do so. If you do not wish to do so, delete this exception
//  statement from your version.
//
//  Copyright 2013-2015 Daqri, LLC.
//
//  Author(s): Chris Broaddus
//

#pragma once

#include <iostream>
#include <cstdlib>
#include <cmath>

#ifndef NDEBUG
#   define ASSERT(condition, message) \
    do { \
        if(!(condition)) { \
            std::cerr << "Assertion `" #condition "` failed in " << __FILE__ \
            << " line " << __LINE__ << ": " << message << std::endl; \
            std::abort(); \
        } \
    } while (false)
#else
#   define ASSERT(condition, message) do { } while (false)
#endif

#define CHECK_TRUE(condition, message) \
    if(!(condition)) { \
        ASSERT(false, message); \
    }

#ifndef NDEBUG
#   define DEBUG_BLOCK(X) X
#else
#   define DEBUG_BLOCK(X)
#endif

#define isnan(x) ((x) != (x))
#define isinf(x) (!isnan(x) && isnan(x - x))
#define ASSERT_NAN(x) ASSERT(!isnan(x), "NaN")
#define ASSERT_INF(x) ASSERT(!isinf(x), "INF")